* Rearview mirror is used to show the distance to obstacles on both the left and right handside. The handfree function is provided and 40 seconds recording function is provided for SR2100.
* High quality and stable sensors ensure the detection precision.
* Advanced microchip technologies enhance the whole system stablity.
* Clear and comfortable heartbeat tones release your eyes.
* The warning signs for safety, alert and stopping areas are clear and easy to distinguish.